| DISTANCE FROM CENTERLINE TO FLAT | 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.530 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.625 INCHES NOMINAL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.812 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| HEAD STYLE | DEE |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHOULDER DIAMETER | 0.505 INCHES MINIMUM AND 0.509 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.250 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | COLOR WHITE |
| SURFACE TREATMENT | CADMIUM OR CHROMIUM OR PAINT OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.300 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |